linux-kernel - Re: [PATCH v4 1/6] mm/zswap: change dstmem size to one page

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Message-Id: <20231227125853.2dd07cd61f8a8df95042677c@linux-foundation.org>
Date: Wed, 27 Dec 2023 12:58:53 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Chengming Zhou <zhouchengming@...edance.com>
Cc: Barry Song <21cnbao@...il.com>, Seth Jennings <sjenning@...hat.com>,
 Johannes Weiner <hannes@...xchg.org>, Vitaly Wool
 <vitaly.wool@...sulko.com>, Nhat Pham <nphamcs@...il.com>, Chris Li
 <chriscli@...gle.com>, Yosry Ahmed <yosryahmed@...gle.com>, Dan Streetman
 <ddstreet@...e.org>, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
 Chris Li <chrisl@...nel.org>
Subject: Re: [PATCH v4 1/6] mm/zswap: change dstmem size to one page

On Wed, 27 Dec 2023 14:11:06 +0800 Chengming Zhou <zhouchengming@...edance.com> wrote:

> > i remember there was an over-compression case,  that means the compressed
> > data can be bigger than the source data. the similar thing is also done in zram
> > drivers/block/zram/zcomp.c
> 
> Right, there is a buffer overflow report[1] that I just +to you.

What does "[1]" refer to?  Is there a bug report about this series?